I would like to draw many body Feynman diagrams using latex. These are closed and often used in condensed matter and nuclear physics in contrast to the open scattering diagrams in particle physics. ...

In pstricks, psSolid and pstODEsolve the problem has been resolved using
a function as "output-function" for a solution to an ode (refered to as the real ode) which is itself a solution to an ode, say ...

When creating a picture with pstricks I want to do some simple calculations fot proper positioning. Therefore I use the "fp"-Package.
It turns out that the usage of the \FPeval-command seems to shift ...

When using pstODEsolve with the option algebraicOutputFormat I would like to use a function \z which itself is defined by the "final value" of a solution to another ode and the argument #1 being the ...

So my problem is that there seams to be a clash between something in my preamble and the \label{} and \ref{} commands. When I do references within my definition environment it all goes smoothly, but ...

Is there a way to make the grid in \psgrid look the same as the one in the tikzpicture?
\documentclass[12pt,pstricks]{exam}
\usepackage{tikz}
\usepackage{pst-all}
\begin{document}
\psset{unit=0.5cm}
...

How can I use TikZ (+ LuaTeX), PSTricks, MetaPost, Asymptote, etc. to draw the convex hull of a set of points specified in no particular order?
Here's an example where the convex hull was computed by ...

I use XeLaTeX to compile. But I can not figure out why the problem described in the title occurs. It looks like something covers the rightmost quarter, but words put by \rput alike will show.
Let me ...

I have a PSTricks pspicture where certain elements go beyond the boundaries of the Image itself. I tried using \clipbox, but that either completely removed the entire image or didnt change anything at ...

I'm currently working on a term paper / lecture notes for my electrical engineering professor and wanted to include the following coordinate system / graph / figure in my paper. (The image should be ...

I would like to use these or similar ornaments in my LaTeX document. However I use Share Latex (and have no other option since this is a collab project, and its too late to change), and pgfornament ...

I can find answers to many question on TeX problems here. Mostly they are like giving fish rather than teaching how to fish. One cannot tailor made them due to short of guide on where they come from. ...

I have encountered a problem with my pst3dplot. With the option IIIDlabels enabled I end up with lots of black spikes instead of labels on the coord axes. Without IIIDlabels the pst-3dplot works fine.
...